Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
koks
←
Welsh
pob
(cognate)
←
Proto-Indo-European
*kʷeh₂-kʷo-
(inherited)
←
Proto-Slavic
*kakъ
(cognate)